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Q#1 Fault Analysis GATE EE 2004 MCQ +2 marks -0.66 marks

A 500 MVA, 50 Hz, 3-phase turbo-generator produces power at 22 kV. Generator is Y-connected and its neutral is solidly grounded. Their sequence reactance are  and . It is operating at rated voltage and disconnected from the rest of the system (no load). The magnitude of the sub-transient line current for single line ground fault at the generator terminals in p.u will be

2.851

3.333

6.667

8.553

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